Climatological Report (Daily)
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CDUS43 KLOT 202146
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT FRI MAR 20 2015

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MARCH 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         50  1204 PM     85  2012    48      2       47
  MINIMUM         38   412 AM      4  1885    31      7       30
  AVERAGE         44                          39      5       39

PRECIPITATION (IN)
  TODAY           0.00          0.96  1935  0.08  -0.08     0.04
  MONTH TO DATE   0.13                      1.54  -1.41     1.40
  SINCE MAR 1     0.13                      1.54  -1.41     1.40
  SINCE JAN 1     2.99                      5.06  -2.07     6.70

SNOWFALL (IN)
  TODAY            0.0           6.0  1964   0.1   -0.1      0.7
  MONTH TO DATE    0.7                       4.2   -3.5     11.7
  SINCE MAR 1      0.7                       4.2   -3.5     11.7
  SINCE JUL 1     44.3                      34.0   10.3     80.0

DEGREE DAYS
 HEATING
  TODAY             21                        26     -5       26
  MONTH TO DATE    587                       582      5      716
  SINCE MAR 1      587                       582      5      716
  SINCE JUL 1     5767                      5316    451     6131

 COOLING
  TODAY              0                         0      0        0
  MONTH TO DATE      0                         0      0        0
  SINCE MAR 1        0                         0      0        0
  SINCE JAN 1        0                         0      0        0
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     7.6

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9

WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.

RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           400 AM
 LOWEST     56          1100 AM
 AVERAGE    69

..........................................................

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        87      2012
 MINIMUM TEMPERATURE (F)   31         9      1888
                                             1885

SUNRISE AND SUNSET
MARCH 20 2015.........SUNRISE   655 AM CDT   SUNSET   704 PM CDT
MARCH 21 2015.........SUNRISE   654 AM CDT   SUNSET   705 PM CDT

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$



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